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| Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version | ||
| Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
| Ref | Expression |
|---|---|
| elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3650 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
| 3 | 2 | baib 544 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 = wceq 1570 ∈ wcel 2143 {crab 3416 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1573 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rab 3417 df-v 3457 |
| This theorem is referenced by: unimax 4910 fnelfp 7173 fnelnfp 7175 fnse 8125 fin23lem30 10321 isf32lem5 10336 negn0 11638 ublbneg 12952 supminf 12954 sadval 16509 smuval 16534 dvdslcm 16651 dvdslcmf 16684 isprm2lem 16734 isacs1i 17708 isinito 18048 istermo 18049 subgacs 19222 nsgacs 19223 odngen 19642 sdrgacs 20904 lssacs 21088 ssdifidllem 21484 mretopd 23249 txkgen 23809 xkoco1cn 23814 xkoco2cn 23815 xkoinjcn 23844 ordthmeolem 23958 shft2rab 25667 sca2rab 25671 lhop1lem 26172 ftalem5 27241 vmasum 27380 eqcuts2 27979 elmade 28050 addonbday 28472 israg 28977 ebtwntg 29332 eupth2lem3lem3 30581 eupth2lem3lem4 30582 eupth2lem3lem6 30584 cycpmco2lem1 33446 cycpmco2lem4 33449 cycpmco2 33453 1arithufdlem2 33835 tgoldbachgt 35050 cvmliftmolem1 35773 nmulr0 36687 neibastop3 36873 fdc 38396 pclvalN 40664 dvhb1dimN 41760 hdmaplkr 42687 aks4d1p8 42854 sticksstones1 42913 fsuppssind 43325 diophren 43540 islmodfg 43796 fsovcnvlem 44739 ntrneiel 44807 radcnvrat 45024 supminfxr 46178 stoweidlem34 46748 |
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